When a load on the free end of a cantilever beam is increased, failure will occu

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Question
When a load on the free end of a cantilever beam is increased, failure will occur
Options
A. at the free end
B. at the fixed end
C. in the middle of the beam
D. at a distance 2l/3 from free end

Correct Answer

at the fixed end

Strength of Materials problems

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6. The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
Options
A.
B.
C.
D.

7. Two closely coiled helical springs 'A' and 'B' are equal in all respects but the diameter of wire of spring 'A' is double that of spring 'B' The stiffness of spring 'B' will be __________ that of spring 'A'
Options
A. one-sixteenth
B. one-eighth
C. one-fourth
D. one-half

8. A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be
Options
A. -100 MPa
B. 250 MPa
C. 300 MPa
D. 400 MPa

9. A simply supported beam 'A' of length l, breadth b, and depth d carries a central point load W. Another beam 'B' has the same length and depth but its breadth is doubled. The deflection of beam 'B' will be __________ as compared to beam 'A'.
Options
A. one-fourth
B. one-half
C. double
D. four times

10. A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be
Options
A. -100 MPa
B. 250 MPa
C. 300 MPa
D. 400 MPa

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